923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715

Analysis

max time kernel
148s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/09/2026, 22:42

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General

Target
jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe
Size 28KB
Sample260925-2m6b2aycjd
SHA256 923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715
MD5 42723a72b2305f2a83ee1f8af28bf051
SHA1 320effdb4dcdfca3f7ebbd3721fa2c8ae261aaff
SHA512 b30b9b82570b7a30076a3dc66ef722ba3286ef3d86135a8d1363ee91c752ec2831638ece4c0ea61bb0561426397cd79051c657d43be36c9ef0e4020dbed8e37e
SSDEEP 192:r1SFkktlWhgQ0Gn51yDvVmBbxdVSr2beTn6qTojg5I8UHI7C0mbeKGBQeMgULUd9:JSuWHQ7vyDgBFd6t3SyKreMg2B
TLSH
T18BD29DCF6E980DF1C368047021AF8CF19753703A23A8D9544EAF6F0B65FC6504565B95
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5040	myInsDll.exe

Loads dropped DLL 1 IoCs

pid	Process
5040	myInsDll.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Jmansz.dat	jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe
File created	C:\Windows\SysWOW64\Processa.dll	jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe
File created	C:\Windows\SysWOW64\myInsDll.exe	jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000e00000001c520-3.dat	upx
behavioral2/memory/5040-5-0x0000000010000000-0x00000000100FF000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2664	5040	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	myInsDll.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 6008 wrote to memory of 5040	6008	jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6008
- C:\Windows\SysWOW64\myInsDll.exe
  "C:\Windows\system32\myInsDll.exe" Processa.dll,UHbabNASBBAS C:\Users\Admin\AppData\Local\Temp\jaffacakes118_923236ec71cf2cf559a2ea15b373c5744aaf5a2ad3e6fb6708c4b8b1dfe5e715.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:5040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 388
    3⤵
    - Program crash
    PID:2664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5040 -ip 5040
1⤵
PID:5376

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

Processa.dll

Path C:\Windows\SysWOW64\Processa.dll
Size 11KB
SHA256 7fa9d3d0bf2e905d897fb9fe27e6e54fdadb8865646a9dbfe1b2478bf45c66b4
MD5 2aa9f7ba6ce308f54ae96d419f44c9c2
SHA1 b5952c62e8a73947b53a0efe71a326d8dff7b4b1
SHA512 8b80f8ae7e12a592d23e4e3432fc8d41661adafbb91850ff95571efe098177ec1c1738f18f4f540bcab766cecadac97372b821c9c02bd889e63232d74bb7a2ec
SSDEEP 192:fGn51yDvVmBbxdVSr2beTn6qTojg5I8UHI7C0mbeKGBQeMgULUdMUkDBc:yvyDgBFd6t3SyKreMg2B
TLSH
T1D8329EDFADA64EE1D3240075A2AF4DF16213712E27ACDD104D7E6F0B35ED20042A6F51
MD5 SHA1 SHA512 SSDEEP TLSH

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myInsDll.exe

Path C:\Windows\SysWOW64\myInsDll.exe
Size 51KB
SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
MD5 2e068ce2770fde8d1af4cb114b98df1f
SHA1 b6f9c2775babb025b22f915c3047aa627d07c312
SHA512 998d695eb56375e63df7db16740b89deb2cf630ccbead8bcf84a921ec6f4a4f9aef2755b703f7190f332b2008ebcc949363bcf8f392d7d07246c255b5073ed35
SSDEEP 1536:6G9yoVEpHP29I3fbcJboSUge5N+CnC/maz9Rh:8pv2mbcJboce58wvOR
TLSH
T137336C236A0A49B3DFE231780A9D7232526DD862075541F7A61057EAFD243E2EE743CF
MD5 SHA1 SHA512 SSDEEP TLSH